added ruby gntp gem and another before_script to travis config
added status images for develop and master, fixed issue with travis.yml
removing redundant tests and added rake gem
removed redis service from travis ci
updated travis.yml
updated travis.yml
added more keys to travis.yml
updated readme
enabled redis service in travis.yml
Merge branch 'develop'

* develop:
  enabled redis service in travis.yml
  updated readme
  added more keys to travis.yml
  updated travis.yml
  updated travis.yml
  removed redis service from travis ci
  removing redundant tests and added rake gem
  added status images for develop and master, fixed issue with travis.yml
  added ruby gntp gem and another before_script to travis config